Delta MCP Server

"""Delta version checking and utility functions.""" import asyncio import logging import shutil from typing import Optional, Tuple logger = logging.getLogger(__name__) async def check_delta_version(min_version: str = "0.17.0") -> Tuple[bool, str]: """Check Delta version and return compatibility status. Args: min_version: Minimum required version (default: "0.17.0") Returns: Tuple of (is_compatible, version_string) """ delta_path = shutil.which("delta") if not delta_path: return False, "not found" try: proc = await asyncio.create_subprocess_exec( delta_path, "--version", stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.DEVNULL ) stdout, _ = await proc.communicate() if proc.returncode == 0: version_str = stdout.decode('utf-8').strip() logger.info(f"Delta version: {version_str}") # Simple version comparison (can be enhanced) # For now, just check if version string contains numbers if any(c.isdigit() for c in version_str): return True, version_str return True, version_str except FileNotFoundError: pass except Exception as e: logger.error(f"Error checking Delta version: {e}") return False, "unknown" def find_delta_executable(custom_path: Optional[str] = None) -> Optional[str]: """Find delta executable path. Args: custom_path: Custom path to delta executable (from user_config) Returns: Path to delta executable, or None if not found """ if custom_path: path = shutil.which(custom_path) if path: return path # Try as direct path from pathlib import Path if Path(custom_path).exists(): return custom_path return shutil.which("delta")